(19)

(11)

EP 2 137 453 A1

(12)

(43) Date of publication: 30.12.2009 Bulletin 2009/53 (21) Application number: 08718981.7 (22) Date of filing: 04.04.2008

(51) International Patent Classification (IPC):  F16P 3/14(2006.01) (86) International application number: PCT/GB2008/001174 (87) International publication number: WO 2008/122768 (16.10.2008 Gazette 2008/42)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 05.04.2007 GB 0706702 (71) Applicant: Gunton, Bruce Stanley Yoxall, Staffordshire DE 13 8NU (GB)	(72) Inventor: Gunton, Bruce Stanley Yoxall, Staffordshire DE 13 8NU (GB) (74) Representative: Swindell & Pearson  48 Friar Gate Derby Derbyshire DE1 1GY Derby Derbyshire DE1 1GY (GB)